function setData(this,fld,Value)
% Set field of private Data object

%   Author: A. Stothert
%   Copyright 1986-2004 The MathWorks, Inc. 
%   $Revision: 1.1.6.1 $ $Date: 2004/12/10 19:31:08 $

%Wrapper method to set properties of private data object
if ishandle(this.Data)
   this.Data.(fld) = Value;
end